Properties of addition of rational numbers Student activity Play

Rotating ring Game Play

Rounding the values of roots using a calculator Student activity Play

Sequences formed by adding a fixed number – part 1 Student activity Play

Simplify the expression Student activity Play

Simplifying expressions Animation Play

Simplifying the addition of roots Animation Play

Simplifying the expressions with similar terms Whiteboard exercise Play

Subtracting decimals using the written method Student activity Play

The correct sums Whiteboard exercise Play

The cost of a 3-day mountain trip Whiteboard exercise Play

The exact results of the addition Whiteboard exercise Play

The maze Game Play

The missing decimal Whiteboard exercise Play

The missing fraction Whiteboard exercise Play

The operation on the fractions Whiteboard exercise Play

The result of an operation as a recurring decimal Student activity Play

The result of an operation as a recurring decimal Whiteboard exercise Play

The sum as a common fraction Whiteboard exercise Play

The weight of Lena's purchases Animation Play

The weight of the bananas and the apples Animation Play

Trick – explanation Animation Play

Vehicles Whiteboard exercise Play

What comes next? Whiteboard exercise Play

What comes next? Student activity Play